.flow-engine-desgin__wrap {
    display: flex;
    height: calc(100vh - 89px);
    .flow-desgin__nav {
        flex:  0 0 160px;
        // border-right: 1px solid #756e6e; 
        padding-right: 10px;
    }
    .flow-desgin__body {
        flex: 1;
    }
    // jointjs4.0版本，解决端口开启magnet:true属性，鼠标显示样式不是+号问题
    circle[joint-selector="portBody"] {
        cursor: crosshair;
    }
}